From: email@example.com Sent: 08 March 2012 14:41 Subject: RE:
Did you send me an email with swear words in it? I got an automated email saying a message was blocked.
From: firstname.lastname@example.org Sent: 09 March 2012 14:46 Subject: RE:
No, I tend not to use swearwords, obfuscated or otherwise, in emails.
Replacing letters for numbers is one of the easiest things that a heuristic content algorithm can do, so perhaps it was you.
From: email@example.com Sent: 09 March 2012 14:47 Subject: RE: